Pet booster seat



FIG. 1 is a top, front, left perspective view of a pet booster seat in accordance with our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top, left, rear perspective view thereof;

FIG. 9 is a bottom, left, rear perspective view thereof;

FIG. 10 is a cross-sectional view thereof taken along line 10-10 in FIG. 2;

FIG. 11 is a cross-sectional view thereof taken along line 11-11 in FIG. 2; and,

FIG. 12 is a cross-sectional view thereof taken along line 12-12 in FIG. 2. 

CLAIM We claim the ornamental design for a pet booster seat, as shown and described. 